A simple node sendgrid proxy

sendgrid_proxy.js

var express = require('express')
  , app = express()
  , SendGrid = require('sendgrid').SendGrid
  , sg = new SendGrid(process.env.SENDGRID_USER, process.env.SENDGRID_PASS);

app.use(express.logger());
app.use(express.bodyParser());

app.post('/email', function(req, res) {
  if(!req.body.to || !req.body.subject || !req.body.html) {
    res.statusCode = 400;
    res.send({ status: "error", msg: "Missing required parameters" });
    res.end();
  }
  sg.send({
    to: req.body.to,
    from: "you@yourdomain.com",
    subject: req.body.subject,
    html: req.body.html
  }, function(success, msg) {
    if(!success) {
      res.statusCode = 500;
      res.send({ status: "error", msg: msg });
      return res.end();
    }
    res.send({ status: "ok" });
  });
});

app.listen(process.env.PORT || 3000);